package Ye;

class Point {
	double x, y, z;

	public Point(double _x, double _y, double _z) {
		x = _x;
		y = _y;
		z = _z;
	}

	public double getDistance(Point p) {
		return Math.sqrt((x - p.x) * (x - p.x) + (y - p.y) * (y - p.y) + (z - p.z) * (z - p.z));
	}
}

class Test {
	public static void main(String[] args) {
		Point p = new Point(3.0, 4.0, 5.0);
		Point origin = new Point(0.0, 0.0, 0.0);
		System.out.println(p.getDistance(origin));
	}
}
